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CS47L85 Datasheet(PDF) 332 Page - Cirrus Logic

Part # CS47L85
Description  Low-Power Smart Codec with Seven DSP Cores, Voice and Media Enhancement, and Integrated Sensor Hub
PDF  370 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS47L85 Datasheet(HTML) 332 Page - Cirrus Logic

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CS47L85
332
Rev 4.3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R126
(007Eh)
Eventlog_S
equence_S
elect_7
8:0
WSEQ_EVENTL
OG7_INDEX [8:0]
1FFh
Event Log 7 Write Sequence start index
This field contains the index location in
the sequencer memory of the first
command in the sequence associated
with Event Log 7 ‘FIFO Not Empty’
detection.
Valid from 0 to 507 (1FBh).
R127
(007Fh)
Eventlog_S
equence_S
elect_8
8:0
WSEQ_EVENTL
OG8_INDEX [8:0]
1FFh
Event Log 8 Write Sequence start index
This field contains the index location in
the sequencer memory of the first
command in the sequence associated
with Event Log 8 ‘FIFO Not Empty’
detection.
Valid from 0 to 507 (1FBh).
Table 123 Write Sequencer Control - Event Loggers
BOOT SEQUENCE
The CS47L85 executes a Boot Sequence following Power-On Reset (POR), Hardware Reset, Software Reset or Wake-Up
(from Sleep mode). The Boot Sequence configures the CS47L85 with factory-set trim (calibration) data.
See “Power-On Reset (POR)” and “Hardware Reset, Software Reset, Wake-Up, and Device ID” for further details.
The start index location of the the Boot Sequence is 384 (180h). See Table 128 for details of the Write Sequencer Memory
allocation.
The Boot Sequence can be commande
d at any time by writing ‘1’ to the WSEQ_BOOT_START bit.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R24
(0018h)
Write_Sequ
encer_Ctrl_
2
1
WSEQ_BOOT_S
TART
0
Writing a 1 to this bit starts the write
sequencer at the index location
configured for the Boot Sequence.
The Boot Sequence start index is 384
(180h).
Table 124 Write Sequencer Control - Boot Sequence
SEQUENCER STATUS AND READBACK
The status of the Write Sequencer can be read using the WSEQ_BUSY and WSEQ_CURRENT_INDEX registers, as
described in Table 125.
When the WSEQ_BUSY bit is asserted, this indicates that the Write Sequencer is busy.
The index address of the most recent Write Sequencer command can be read from the WSEQ_CURRENT_INDEX field.
This can be used to provide a precise indication of the Write Sequencer progress.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R23
(0017h)
Write_Sequ
encer_Ctrl_
1
9
WSEQ_BUSY
(read only)
0
Sequencer Busy flag (Read Only).
0 = Sequencer idle
1 = Sequencer busy
8:0
WSEQ_CURREN
T_INDEX [8:0]
(read only)
000h
Sequence Current Index. This indicates
the memory location of the most recently
accessed command in the write
sequencer memory.
Coding is the same as
WSEQ_START_INDEX.
Table 125 Write Sequencer Control - Status Readback



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